f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd

Analysis

max time kernel
94s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 08:20

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General

Target
FACT0987789000900.exe
Size 626KB
Sample250103-j8er4avrez
SHA256 f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd
MD5 e4da22458c317595e4bd6712b4728d36
SHA1 111a5c4cbd45bced7c04cbeb5192a9afe178865c
SHA512 b19d9eb5e06834538e8ca5e8655e360b56d63c8ad67441607279c18a848d46a6095b6cbe7019fc79eba784392278e30134e7aef149d0e12964d0b86ecd08dc1d
SSDEEP 12288:ROv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPifIl4AbNfoQ+MvFE7v44OzNRlwDmt:Rq5TfcdHj4fmbMo3Jhuv44O5fwY
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juvenile.vbs	juvenile.exe

Executes dropped EXE 1 IoCs

pid	Process
4008	juvenile.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1572-14-0x0000000000A70000-0x0000000000BDA000-memory.dmp	autoit_exe
behavioral2/memory/4008-24-0x00000000001C0000-0x000000000032A000-memory.dmp	autoit_exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1572-0-0x0000000000A70000-0x0000000000BDA000-memory.dmp	upx
behavioral2/files/0x0007000000023c8b-10.dat	upx
behavioral2/memory/1572-14-0x0000000000A70000-0x0000000000BDA000-memory.dmp	upx
behavioral2/memory/4008-12-0x00000000001C0000-0x000000000032A000-memory.dmp	upx
behavioral2/memory/4008-24-0x00000000001C0000-0x000000000032A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	4008	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juvenile.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FACT0987789000900.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1572	FACT0987789000900.exe
1572	FACT0987789000900.exe
4008	juvenile.exe
4008	juvenile.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1572	FACT0987789000900.exe
1572	FACT0987789000900.exe
4008	juvenile.exe
4008	juvenile.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 4008	1572	FACT0987789000900.exe	83
PID 1572 wrote to memory of 4008	1572	FACT0987789000900.exe	83
PID 1572 wrote to memory of 4008	1572	FACT0987789000900.exe	83
PID 4008 wrote to memory of 1248	4008	juvenile.exe	84
PID 4008 wrote to memory of 1248	4008	juvenile.exe	84
PID 4008 wrote to memory of 1248	4008	juvenile.exe	84

C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe
"C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Users\Admin\AppData\Local\thixolabile\juvenile.exe
  "C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4008
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe"
    3⤵
    PID:1248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 724
    3⤵
    - Program crash
    PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4008 -ip 4008
1⤵
PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

juvenile.exe

Path C:\Users\Admin\AppData\Local\thixolabile\juvenile.exe
Size 626KB
SHA256 f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd
MD5 e4da22458c317595e4bd6712b4728d36
SHA1 111a5c4cbd45bced7c04cbeb5192a9afe178865c
SHA512 b19d9eb5e06834538e8ca5e8655e360b56d63c8ad67441607279c18a848d46a6095b6cbe7019fc79eba784392278e30134e7aef149d0e12964d0b86ecd08dc1d
SSDEEP 12288:ROv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPifIl4AbNfoQ+MvFE7v44OzNRlwDmt:Rq5TfcdHj4fmbMo3Jhuv44O5fwY
MD5 SHA1 SHA512 SSDEEP

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memory/1572-0-0x0000000000A70000-0x0000000000BDA000-memory.dmp

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memory/1572-7-0x0000000001080000-0x0000000001480000-memory.dmp

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memory/1572-14-0x0000000000A70000-0x0000000000BDA000-memory.dmp

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memory/4008-12-0x00000000001C0000-0x000000000032A000-memory.dmp

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memory/4008-22-0x0000000001700000-0x0000000001B00000-memory.dmp

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memory/4008-24-0x00000000001C0000-0x000000000032A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads